Renal Foundations 1 Flashcards
1
Q
Urinary Bladder Function
A
fluid (pee) storage
2
Q
Ureter Function
A
Collects and carries fluid to bladder
3
Q
Kidney Functions
A
- regulation of extracellular fluid volume and BP
- regulation of osmolarity
- maintenenace of ion balance
- regulation of pH
- waste excretion
- hormone production
4
Q
General Ion excretion or retention
A
- HCO3: want to keep b/c its a good buffer for H+
- H+: want to get rid of to maintain pH
- Na+: want to keep
- Cl-: want to keep
- K+: want to get rid of
5
Q
Types of Nephrons
A
- Cortical Nephrons (in the cortex)
- Juxtamedullary Nephrons (medulla)
6
Q
Efferent Arterioles
A
blood that leaves after filtration
7
Q
Afferent Arterioles
A
blood that enters nephron for filtration
8
Q
Peritubular Capillaries
A
outer vessels that return important molecules into circulation (glucose/H2O)
9
Q
Glomerulus
A
capillary bed within Bowman’s capsule that is leaky to allow filtration to occur
10
Q
Renal Corpuscle
A
bowmans capsule and glomerulus
11
Q
Percentage of filtered volume that gets excreted
A
1%, roughly 1.5L/day is excreted
12
Q
Reabsorption
A
- materials reabsorbed from lumen into blood, occurs everywhere
13
Q
Secretion
A
- materials secreted from blood into lumen, does not occurs in the loop of henle
14
Q
Glomerular Filtration Rate (GFR)
A
volume of fluid that filters into bowmans capsule per day
- 180 L/day
- 125 mL/minute
15
Q
GFR Influences
A
- Hydrostatic Pressure
- Colloid Osmotic Pressure Gradient
- Fluid Pressure within bowmans capsule
